Selenium exists in several isotopic forms, including 34Se76,

Last updated: 7/4/2022

Selenium exists in several isotopic forms, including 34Se76, 34Se77, and 34Se78. Choose the number of protons and the number of neutrons in each of these isotopes. (Select all that apply.) 34Se77 (43 protons, 34 neutrons) 34Se78 (34 protons, 44 neutrons) 34Se76 (34 protons, 42 neutrons) 34Se76 (42 protons, 34 neutrons) 34Se77 (34 protons, 43 neutrons) 34Se78 (44 protons, 34 neutrons)